Static Magnetic Order and Superfluid Density of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>R</mml:mi><mml:mi>FeAs</mml:mi><mml:mo mathvariant="bold" stretchy="false">(</mml:mo><mml:mi mathvariant="bold">O</mml:mi><mml:mo>,</mml:mo><mml:mi mathvariant="bold">F</mml:mi><mml:mo mathvariant="bold" stretchy="false">)</mml:mo></mml:math>(<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>R</mml:mi><mml:mo mathvariant="bold">=</mml:mo><mml:mi>La</mml:mi><mml:mo>,</mml:mo><mml:mi>Nd</mml:mi><mml:mo>,</mml:mo><mml:mi>Ce</mml:mi></mml:math>) and LaFePO Studied by Muon Spin Relaxation: Unusual Similarities with the Behavior of Cuprate Superconductors
Why this work is in the frame
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Bibliographic record
Abstract
Muon spin relaxation measurements in iron-oxypnictide systems have revealed: (1) commensurate long-range order in undoped LaFeAsO; (2) a Bessel function line shape in $\mathrm{LaFeAs}({\mathrm{O}}_{0.97}{\mathrm{F}}_{0.03})$ which indicates possible incommensurate or stripe magnetism; (3) anomalous weak magnetism existing in superconducting LaFePO, $\mathrm{CeFeAs}({\mathrm{O}}_{0.084}{\mathrm{F}}_{0.16})$, and $\mathrm{NdFeAs}({\mathrm{O}}_{0.88}{\mathrm{F}}_{0.12})$ but absent in superconducting $\mathrm{LaFeAs}({\mathrm{O}}_{0.92}{\mathrm{F}}_{0.08})$; and (4) scaling of the superfluid density with ${T}_{c}$ in the Ce-, La-, and Nd-FeAs superconductors following a nearly linear relationship found in cuprates.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.010 | 0.006 |
| Meta-epidemiology (narrow) | 0.005 | 0.008 |
| Meta-epidemiology (broad) | 0.003 | 0.006 |
| Bibliometrics | 0.002 | 0.006 |
| Science and technology studies | 0.007 | 0.010 |
| Scholarly communication | 0.007 | 0.007 |
| Open science | 0.009 | 0.007 |
| Research integrity | 0.007 | 0.008 |
| Insufficient payload (model declined to judge) | 0.021 | 0.004 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it